December weather forecast and climate
Cottekill, NY

December, the first month of the winter, in Cottekill, is also a wintry month, with average temperature ranging between max 37.6°F (3.1°C) and min 25.7°F (-3.5°C).

Temperature

In December, the average high-temperature decreases, from a frosty 47.8°F (8.8°C) in November, to a cold 37.6°F (3.1°C). In December, in Cottekill, New York, the average low-temperature is 25.7°F (-3.5°C).

Humidity

February and December, with an average relative humidity of 82%, are most humid months.

Rainfall

In Cottekill, it is raining for 9.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 141.4 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Cottekill, New York. In Cottekill, during December, snow falls for 5.8 days and regularly aggregates up to 3.82" (97mm) of snow. Throughout the year, there are 30.6 snowfall days, and 16.38" (416mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.2h of daylight.

Sunshine

The average sunshine in December is 4.9h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Cottekill?

In December, the average high-temperature is 37.6°F (3.1°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the most humid month in Cottekill?

February and December, with an average relative humidity of 82%, are most humid months in Cottekill.

What is the average humidity in December in Cottekill?

In December, the average relative humidity in Cottekill, New York, is 82%.

How much does it rain in Cottekill in December?

In December, in Cottekill, New York, the rain falls for 9.5 days. Throughout December, 2.24" (57mm) of precipitation is accumulated.

How much does it snow in Cottekill in December?

In Cottekill, during December, snow falls for 5.8 days and regularly aggregates up to 3.82" (97mm) of snow.

What is the month with the shortest days in Cottekill?

With an average of 9.2h of daylight, December has the shortest days of the year in Cottekill.

What is the average length of the day in December in Cottekill?

In December, the average length of the day in Cottekill, New York, is 9.2h.

How many hours of sunshine does Cottekill have in December?

The average sunshine in December in Cottekill, New York, is 4.9h.

What are the months with the lowest UV index in Cottekill?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cottekill, New York.

How high is the UV index in December in Cottekill?

In December, the average daily maximum UV index in Cottekill, New York, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Cottekill, NY
  • Average high temperature in December: 3.1°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in December: -3.5°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

Average pressure in December - Cottekill, NY
  • Average pressure in December: 1018.2mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in December - Cottekill, NY
  • Average wind speed in December: 9.3km/h

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in December - Cottekill, NY
  • Average humidity in December: 82%

Months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December - Cottekill, NY
  • Average rainfall in December: 57mm

The wettest month (with the highest rainfall) is October (60mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in December - Cottekill, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in December - Cottekill, NY
  • Average snowfall in December: 97mm

The month with the highest snowfall is February (105mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Cottekill, NY
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Cottekill, NY
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average sunshine days in December - Cottekill, NY
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in December - Cottekill, NY
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December - Cottekill, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December - Cottekill, NY
  • Average visibility in December: 8km

Months with the highest visibility are April and November (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (8km).